No system global variables

Hi everyone,

we were facing one prod issue in Axapta 4.0, during the WEBE .Net engine calling the ax class to do data interaction via IIS and BC, then the below error be thrown:

The error like this :


Error executing code: No system global variables.

Stack trace

(C)\Classes\Info\clear - line 32
(S)\Classes\AvWsIntegrationPayment\OnlinePayment - line 39

executed method: onlinepayment for market 60, server: RYEMSQTRGENDNT1, local time: 8/1/2016 10:42:12 AM, /webe_qa_pg/Service.asmx/RefreshEngine
duration (sec): 4.6875

we saw the error was thrown from “Info.clear(0)”.
Error executing code: No system global variables

and if we replace it as Info(‘OK’). then the error be thrown.
Error executing code: xInfo (object), method add called with invalid parameters.

kindly advise how to fix the issue. thanks in advance.